This vintage Class-5 parka done in rust features classic styling comprised of materials and craftsman ship that was top of the line in its day. It has clean lines that were innovative for the time.
Cotton blend throughout, most likely 65/35 polyester cotton or similar (no materials tag). Double layer lined in khaki through out. 3 piece hood nylon draw cord. Two-way heavy gauge YKK sleeping bag zipper and snap front closure. Drawstring waist cinch and two snap adjustable cuff. Two top and side entry hip pockets. Left breast zippered pocket. Also, one zippered back pocket.
Class-5 the self-proclaimed Standard of The World was is California-based outdoor gear company founded in the early 70s by Justus Bauschinger a designer for Trailwise and The North Face. The company was known for their innovative designs and marketing.
Basecamp Vintage & Archives 
Timberland also made a very similar jacket, my lifetime favourite, but it was stolen from my car, and i have never been able to replace it. do you know if it is still being manufactured anywhere in the world ?
I have not come across one, but will let you know if I do. A lot of brands are releasing “heritage” lines which rehash older products. They also tend to make different lines for Europe and Asia which may contain the piece you are looking for.